out·ing 
(outĭng)
(outĭng)n.
1. An excursion, typically a pleasure trip.
2. A walk outdoors.
3.
a. The public disclosure that someone who is assumed to be heterosexual is actually gay, lesbian, or bisexual.
b. The public disclosure of a person's secret or largely unknown activity or interest, especially when thought to be embarrassing or compromising.
4. An athletic competition or an appearance therein: The rookie pitcher threw a no-hitter in his first outing with the team.